#286D8B#286D8B

#286D8B is a mid, moderate cyan. Relative luminance 0.133; OKLCH L 50.5% C 0.083 H 230.4°. Best body text is #FFFFFF at 5.75:1 contrast (WCAG AA passes).

Color values

HEX	#286D8B
RGB	rgb(40, 109, 139)
HSL	hsl(198, 55%, 35%)
HSV	hsv(198, 71%, 55%)
CMYK	cmyk(71.2%, 21.6%, 0%, 45.5%)
CIE-LAB	lab(43.14, -11.23, -22.75)
CIE-LCH	lch(43.14, 25.37, 243.72°)
OKLab	oklab(50.5% -0.0528 -0.0638)
OKLCH	oklch(50.5% 0.083 230.4)
XYZ	xyz(11.0021, 13.2513, 26.3990)
Luminance	0.1325 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#286D8B #8B4628

analogous

#288B78 #286D8B #283B8B

triadic

#286D8B #8B286D #6D8B28

tetradic

#286D8B #78288B #8B4628 #3B8B28

square

#286D8B #78288B #8B4628 #3B8B28

split-complementary

#286D8B #8B283B #8B7828

monochromatic

#0D222C #1A485B #286D8B #3692BB #5DADD0

Accessibility & contrast

On white

5.75

#286D8B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.65

#286D8B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #286D8B

5.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##286D8B	#FFFFFF	#000000	##FFFFFF
##286D8B	1.00	5.75	3.65	5.75
#FFFFFF	5.75	1.00	21.00	1.00
#000000	3.65	21.00	1.00	21.00
##FFFFFF	5.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E6B8C

Deuteranopia (green-blind)

#50628B

Tritanopia (blue-blind)

#007577

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #286d8b;
/* rgb */ color: rgb(40, 109, 139);
/* oklch */ color: oklch(50.5% 0.083 230.4);

Tailwind

colors: {
  custom: {
    50: '#6f96ad',
    500: '#286d8b',
    950: '#000000',
  },
}

SCSS

$custom: #286d8b;
$custom-light: #6f96ad;
$custom-dark: #000000;

JSON

{
  "hex": "#286d8b",
  "rgb": {
    "r": 40,
    "g": 109,
    "b": 139
  },
  "hsl": {
    "h": 198.182,
    "s": 55.307,
    "l": 35.098
  },
  "oklch": {
    "l": 0.50502,
    "c": 0.08278,
    "h": 230.4
  },
  "luminance": 0.13252
}

Semantic roles & 50–950 ramp

primary

#286D8B

secondary

#B67559

accent

#7649DF

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#080D10

muted

#7B7E7F

Preview Lab

Preview with #286D8B

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →